add cache empty check and set a default value

mrdoob · May 10, 2024 · 6c81187 · 6c81187
1 parent a2f0682
commit 6c81187
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/examples/jsm/renderers/CSS2DRenderer.js b/examples/jsm/renderers/CSS2DRenderer.js
@@ -206,8 +206,11 @@ class CSS2DRenderer {
 
 				}
 
-				const distanceA = cache.objects.get( a ).distanceToCameraSquared;
-				const distanceB = cache.objects.get( b ).distanceToCameraSquared;
+				const cacheDataA = cache.objects.get( a );
+				const distanceA = cacheDataA ? cacheDataA.distanceToCameraSquared : 0;
+
+				const cacheDataB = cache.objects.get( b );
+				const distanceB = cacheDataB ? cacheDataB.distanceToCameraSquared : 0;
 
 				return distanceA - distanceB;